AVAGO MegaRAID SAS 9361-8i
SAS 16T x6개
ZFS 설정
zfs set atime=off DATA
zfs set recordsize=1M DATA
zpool set ashift=12 DATA
JBOD (Non-RAID) + ZFS RAIDZ
fio --directory=/DATA/ -ioengine=libaio -bs=1M -fdatasync=1 -thread -rw=randrw -size=100G -filename=fio_randread_write_test.txt \
-name='ZFS-RANDRW' -iodepth=32 -runtime=300 -numjobs=16 -group_reporting -rwmixwrite=70
read: IOPS=286, BW=287MiB/s (301MB/s)(84.0GiB/300055msec)
write: IOPS=670, BW=671MiB/s (703MB/s)(197GiB/300055msec); 0 zone resets
RAID5 (R=Read Ahead Always|WB=WriteBack|C=Cached IO) + ZFS
fio --directory=/DATA/ -ioengine=libaio -bs=1M -fdatasync=1 -thread -rw=randrw -size=100G -filename=fio_randread_write_test.txt \
-name='ZFS-RANDRW' -iodepth=32 -runtime=300 -numjobs=16 -group_reporting -rwmixwrite=70
read: IOPS=61, BW=61.8MiB/s (64.8MB/s)(18.1GiB/300009msec)
write: IOPS=143, BW=144MiB/s (151MB/s)(42.1GiB/300009msec); 0 zone resets
RAID5 (NR=No Read Ahead|WT=WriteThrough|D=Direct IO) + ZFS
fio --directory=/DATA/ -ioengine=libaio -bs=1M -fdatasync=1 -thread -rw=randrw -size=100G -filename=fio_randread_write_test.txt \
-name='ZFS-RANDRW' -iodepth=32 -runtime=300 -numjobs=16 -group_reporting -rwmixwrite=70
read: IOPS=8, BW=8260KiB/s (8458kB/s)(2420MiB/300015msec)
write: IOPS=18, BW=18.4MiB/s (19.3MB/s)(5518MiB/300015msec); 0 zone resets